lookup> application/cose

application/cose

application/cose is a application media type.

applicationContent-Type

Quick facts

MIME typeapplication/cose

Extensions—

Charset—

Compressible—

Sourceiana

What is application/cose

application/cose

application/cose is one of the application media types used on the internet. When serving this content over HTTP, set the Content-Type header in the response, for example:

Content-Type: application/cose

Relation chain

…served as

mime type

application/cosesent via header

http header

Content-Type

Related MIME types

application/1d-interleaved-parityfec application/3gpdash-qoe-report+xml application/3gpp-ims+xml application/3gpp-mbs-object-manifest+json

Used with

application/cose is identified in HTTP by the Content-Type header and is commonly used with these methods:

Related headers

Related methods

Frequently asked questions

What is application/cose?

application/cose is a application media type used to identify a content format; servers announce it to clients with the Content-Type header.

Which file extensions use application/cose?

Extensions such as none registered are associated with this MIME type.

How do I set the Content-Type for application/cose?

Send Content-Type: application/cose in the HTTP response.

Sources & standards

Updated 2026-08-18

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